feat(core): show nRF version in About menu

diff --git a/core/embed/upymod/modtrezorutils/modtrezorutils.c b/core/embed/upymod/modtrezorutils/modtrezorutils.c
index 59e5f5061..7f73f0a66 100644
--- a/core/embed/upymod/modtrezorutils/modtrezorutils.c
+++ b/core/embed/upymod/modtrezorutils/modtrezorutils.c
@@ -43,6 +43,10 @@
 #include "blake2s.h"
 #include "memzero.h"
 
+#ifdef USE_NRF
+#include <io/nrf.h>
+#endif
+
 #if !defined(TREZOR_EMULATOR)
 #include <sec/secret.h>
 #endif
@@ -577,6 +581,28 @@ STATIC mp_obj_t mod_trezorutils_notify_send(const mp_obj_t event) {
 STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorutils_notify_send_obj,
                                  mod_trezorutils_notify_send);
 
+#ifdef USE_NRF
+/// def nrf_get_version() -> VersionTuple:
+///     """
+///     Reads version of nRF firmware
+///     """
+STATIC mp_obj_t mod_trezorutils_nrf_get_version(void) {
+  uint32_t version = nrf_get_version();
+
+  mp_obj_t nrf_version[4] = {mp_obj_new_int((version >> 24) & 0xff),
+                             mp_obj_new_int((version >> 16) & 0xff),
+                             mp_obj_new_int((version >> 8) & 0xff),
+                             mp_obj_new_int((version >> 0) & 0xff)};
+
+  mp_obj_t version_tuple =
+      mp_obj_new_tuple(MP_ARRAY_SIZE(nrf_version), nrf_version);
+
+  return version_tuple;
+}
+STATIC MP_DEFINE_CONST_FUN_OBJ_0(mod_trezorutils_nrf_get_version_obj,
+                                 mod_trezorutils_nrf_get_version);
+#endif
+
 STATIC mp_obj_str_t mod_trezorutils_revision_obj = {
     {&mp_type_bytes}, 0, sizeof(SCM_REVISION), (const byte *)SCM_REVISION};
 
@@ -631,6 +657,8 @@ STATIC mp_obj_tuple_t mod_trezorutils_version_obj = {
 /// """Whether the hardware supports two-button input."""
 /// USE_POWER_MANAGER: bool
 /// """Whether the hardware has a battery."""
+/// USE_NRF: bool
+/// """Whether the hardware has a nRF chip."""
 /// MODEL: str
 /// """Model name."""
 /// MODEL_FULL_NAME: str
@@ -684,6 +712,10 @@ STATIC const mp_rom_map_elem_t mp_module_trezorutils_globals_table[] = {
     {MP_ROM_QSTR(MP_QSTR_NOTIFY_BOOT), MP_ROM_INT(NOTIFY_BOOT)},
     {MP_ROM_QSTR(MP_QSTR_NOTIFY_UNLOCK), MP_ROM_INT(NOTIFY_UNLOCK)},
     {MP_ROM_QSTR(MP_QSTR_NOTIFY_LOCK), MP_ROM_INT(NOTIFY_LOCK)},
+#ifdef USE_NRF
+    {MP_ROM_QSTR(MP_QSTR_nrf_get_version),
+     MP_ROM_PTR(&mod_trezorutils_nrf_get_version_obj)},
+#endif
 
     {MP_ROM_QSTR(MP_QSTR_unit_color),
      MP_ROM_PTR(&mod_trezorutils_unit_color_obj)},
@@ -768,6 +800,11 @@ STATIC const mp_rom_map_elem_t mp_module_trezorutils_globals_table[] = {
     {MP_ROM_QSTR(MP_QSTR_USE_POWER_MANAGER), mp_const_true},
 #else
     {MP_ROM_QSTR(MP_QSTR_USE_POWER_MANAGER), mp_const_false},
+#endif
+#ifdef USE_NRF
+    {MP_ROM_QSTR(MP_QSTR_USE_NRF), mp_const_true},
+#else
+    {MP_ROM_QSTR(MP_QSTR_USE_NRF), mp_const_false},
 #endif
     {MP_ROM_QSTR(MP_QSTR_MODEL), MP_ROM_PTR(&mod_trezorutils_model_name_obj)},
     {MP_ROM_QSTR(MP_QSTR_MODEL_FULL_NAME),
diff --git a/core/mocks/generated/trezorutils.pyi b/core/mocks/generated/trezorutils.pyi
index 99144dc43..c2809a8e5 100644
--- a/core/mocks/generated/trezorutils.pyi
+++ b/core/mocks/generated/trezorutils.pyi
@@ -186,6 +186,13 @@ def notify_send(event: int) -> None:
     """
     Sends a notification to host
     """
+
+
+# upymod/modtrezorutils/modtrezorutils.c
+def nrf_get_version() -> VersionTuple:
+    """
+    Reads version of nRF firmware
+    """
 SCM_REVISION: bytes
 """Git commit hash of the firmware."""
 VERSION: VersionTuple
@@ -210,6 +217,8 @@ USE_BUTTON: bool
 """Whether the hardware supports two-button input."""
 USE_POWER_MANAGER: bool
 """Whether the hardware has a battery."""
+USE_NRF: bool
+"""Whether the hardware has a nRF chip."""
 MODEL: str
 """Model name."""
 MODEL_FULL_NAME: str
diff --git a/core/src/apps/homescreen/device_menu.py b/core/src/apps/homescreen/device_menu.py
index 2beb48b4f..d77829a22 100644
--- a/core/src/apps/homescreen/device_menu.py
+++ b/core/src/apps/homescreen/device_menu.py
@@ -82,7 +82,14 @@ async def handle_device_menu() -> None:
             log.debug(__name__, "hostname_map: %s", hostname_map)
         paired_devices = [_get_hostname(bond, hostname_map) for bond in bonds]
 
-        bluetooth_version = "2.3.1.1"
+        if utils.USE_NRF:
+            nrf_version = utils.nrf_get_version()
+            bluetooth_version = (
+                f"{nrf_version[0]}.{nrf_version[1]}.{nrf_version[2]}.{nrf_version[3]}"
+            )
+        else:
+            bluetooth_version = "0.0.0.0"
+
         # ###
         firmware_version = ".".join(map(str, utils.VERSION))
         firmware_type = "Bitcoin-only" if utils.BITCOIN_ONLY else "Universal"
diff --git a/core/src/trezor/utils.py b/core/src/trezor/utils.py
index 73761bd28..e66cecc61 100644
--- a/core/src/trezor/utils.py
+++ b/core/src/trezor/utils.py
@@ -18,6 +18,7 @@ from trezorutils import (  # noqa: F401
     USE_BLE,
     USE_BUTTON,
     USE_HAPTIC,
+    USE_NRF,
     USE_OPTIGA,
     USE_POWER_MANAGER,
     USE_RGB_LED,
@@ -42,6 +43,11 @@ from trezorutils import (  # noqa: F401
     unit_color,
     unit_packaging,
 )
+
+if USE_NRF:
+    from trezorutils import nrf_get_version  # noqa: F401
+
+
 from typing import TYPE_CHECKING
 
 if __debug__: